1: (1 7 9)

(0 10 9 3 1)(2 20 6)(4 19 17)(5 12 8)(7)(11 15 13)(14 18 16)

2: (5 12 8)

(0 10 9 3 1)(2 20 6)(4 19 17)(5)(7)(8)(11 15 13)(12)(14 18 16)

3: (2 20 6)

(0 10 9 3 1)(2)(4 19 17)(5)(6)(7)(8)(11 15 13)(12)(14 18 16)(20)

4: (0 3 1)

(0)(1)(2)(3 10 9)(4 19 17)(5)(6)(7)(8)(11 15 13)(12)(14 18 16)(20)